>>>>> "DW" == David Wood <firstname.lastname@example.org> writes: MV> I'm trying to set up the VDC screen to a 640x200 bitmap with 8x2 MV> pixel attribute cells. Char height is set to two, vertical display MV> registers are quadrupled. I get a screen, but the two rightmost MV> columns display flickering garbage. Changing the number of MV> characters per line to 78 or less makes the bug go away. Does MV> anyone know of a workaround? DW> This is a silly guess, but have you tried adjusting the dram DW> refresh? I'm just familiar enough with the VDC to know it has DW> programmable refresh, and it might need to be changed to suit the DW> larger amount of data being read. It does appear to have some sort of effect on the screen bugs, but it doesn't actually solve the problem. Weird. -- ___ . . . . . + . . o _|___|_ + . + . + . . Per Olofsson, konstnär o-o . . . o + MagerValp@cling.gu.se - + + . http://www.cling.gu.se/~cl3polof/ Message was sent through the cbm-hackers mailing list
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